package com.itheima.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理
 * */
@ControllerAdvice(annotations = {RestController.class, Controller.class})
@Slf4j
@ResponseBody
public class GlobalExceptionHandler{

    /**
     * 异常处理方法：处理sql添加已存在时的异常
     * */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public Result<String> execeptionHandler(SQLIntegrityConstraintViolationException ex){

        if (ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
            String msg = split[2] + "已存在";
            return Result.error(msg);
        }
        return Result.error("操作失败，请联系管理员");
    }

    /**
     * 异常处理方法：处理业务异常
     * @param ex
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public Result<String> execeptionHandler(CustomException ex){
        log.error(ex.getMessage());

        return Result.error(ex.getMessage());
    }



}
